In a move both surprising and logical, the Capitals announced Sunday that Adam Oates would serve as co-coach of the AHL’s Hershey Bears with head coach Mark French for the duration of the lockout. Caps assistant coaches Calle Johansson, Tim Hunter, and Blaine Forsythe and goaltending coaches Dave Prior and Olie Kolzig will — in George McPhee’s words — “be involved at different times” and also help out with the Capitals’ ECHL affiliate, Reading Royals.